Reverse engineering old chips Ken Shirriff
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Z80<br />
(1976)<br />
Brq Wait Bak Wr Rd Irq Mrq Hlt Int Nmi<br />
Rst<br />
D1<br />
M1<br />
D0<br />
Rfsh<br />
D7<br />
8-bit CPU<br />
Gnd<br />
A0<br />
A1<br />
D2<br />
+5<br />
D6<br />
Photo: zeptobars.com<br />
A2<br />
A3<br />
A4<br />
A5<br />
A6 A7 A8 A9 A10<br />
D5<br />
D3<br />
D4<br />
Clk<br />
A11 A12 A13 A14 A15